10663553 has 2 divisors, whose sum is σ = 10663554. Its totient is φ = 10663552.

The previous prime is 10663529. The next prime is 10663571. The reversal of 10663553 is 35536601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10647169 + 16384 = 3263^2 + 128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10663553 is a prime.

It is a super-2 number, since 2×10663553² = 227422725167618, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10663153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5331776 + 5331777.

It is an arithmetic number, because the mean of its divisors is an integer number (5331777).

Almost surely, 2^10663553 is an apocalyptic number.

It is an amenable number.

10663553 is a deficient number, since it is larger than the sum of its proper divisors (1).

10663553 is an equidigital number, since it uses as much as digits as its factorization.

10663553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 10663553 is about 3265.5096080091. The cubic root of 10663553 is about 220.1070622152.

The spelling of 10663553 in words is "ten million, six hundred sixty-three thousand, five hundred fifty-three".